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in Chemistry by (122k points)
A teacher gave an impure sample of alum containing fine sand as impurity to a student. He asked him to recover pure alum from this sample. The correct procedure to be followed would be to :
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A. dissolve the impure sample of alum in water, filter and evaporate the filtrate
B. dissolve the impure sample of alum in alcohol and filter
C. move a magnet over the impure sample of alum
D. dissolve the impure sample of alum in carbon disulphide, filter and evaporate the filtrate

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1 Answer

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by (121k points)
Correct Answer - A

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